Vulnerabilities > CVE-2021-40873 - Double Free vulnerability in Softing products

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

softing

CWE-415

NVD

Published: 2021-11-10

Updated: 2024-11-21

Summary

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.

Vulnerable Configurations

Part	Description	Count
Application	Softing Softing Secure Integration Server - Softing Secure Integration Server 1.22 Softing Datafeed OPC Suite - Softing Datafeed OPC Suite 5.17 Softing TH Scope 3.5 Softing OPC - Softing OPC 4.20.00 Softing OPC 4.20.01 Softing OPC 4.20.02 Softing OPC 4.20.03 Softing OPC 4.20.04 Softing OPC 4.22.00 Softing OPC 4.22.01 Softing OPC 4.22.03 Softing OPC 4.22.05 Softing OPC 4.30.0 Softing OPC 4.30.1 Softing OPC 4.31.0 Softing OPC 4.31.1 Softing OPC 4.40.0 Softing OPC 4.40.1 Softing OPC 4.40.2 Softing OPC 4.40.3 Softing OPC 4.41.0 Softing OPC 4.41.1 Softing OPC 4.41.2 Softing OPC 4.45.0 Softing OPC 4.46.0 Softing OPC 4.47.0 Softing OPC 4.47.1 Softing OPC 5.2 Softing OPC 5.30 Softing OPC 5.65 Softing Uatoolkit Embedded - Softing Uatoolkit Embedded 1.31 Softing Uagates - Softing Uagates 1.72.05 Softing Edgeconnector - Softing Edgeconnector 2.31	39

Common Weakness Enumeration (CWE)

CWE-415 - Double Free

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References